Results 11 to 20 of about 3,171 (179)

Reaction of Azetidines with Chloroformates. [PDF]

ChemInform, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Couty, François, Evano, Gwilherm, Vargas-Sanchez, Monica, Lakhdar, Sami   +3 more
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Synthesis of 2-Oxazolines from Ring Opening Isomerization of 3-Amido-2-Phenyl Azetidines

Molecules, 2021
Chiral 2-oxazolines are valuable building blocks and famous ligands for asymmetric catalysis. The most common synthesis involves the reaction of an amino alcohol with a carboxylic acid.
Xin Zhou, Baiyi Mao, Zhanbin Zhang
doaj   +1 more source

Length-Dependent Transition from Extended to Folded Shapes in Short Oligomers of an Azetidine-Based α-Amino Acid: The Critical Role of NH···N H-Bonds

Molecules, 2023
Hydrogen bonds (H-bonds) are ubiquitous in peptides and proteins and are central to the stabilization of their structures. Inter-residue H-bonds between non-adjacent backbone amide NH and C=O motifs lead to the well-known secondary structures of helices,
Dayi Liu, Jean-Xavier Bardaud, Zeynab Imani, Sylvie Robin, Eric Gloaguen, Valérie Brenner, David J. Aitken, Michel Mons   +7 more
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Methyl 2-Amino-4-[1-(tert-butoxycarbonyl)azetidin-3-yl]-1,3-selenazole-5-carboxylate

Molbank, 2021
Methyl 2-amino-4-[1-(tert-butoxycarbonyl)azetidin-3-yl]-1,3-selenazole-5-carboxylate as a newly functionalized heterocyclic amino acid was obtained via [3+2] cycloaddition. The structure of the novel 1,3-selenazole was unequivocally confirmed by detailed
Karolina Dzedulionytė, Paulina Voznikaitė, Aurimas Bieliauskas, Vida Malinauskienė, Frank A. Sløk, Algirdas Šačkus   +5 more
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Azetidines. II. Some Functional Derivatives of Azetidines [PDF]

Bulletin of the Chemical Society of Japan, 1967
Abstract The sodium methoxide-catalyzed cyclization of methyl α-tosylamino-γ-chlorobutyrate gave methyl 1-tosylazetidine-2-carboxylate, which was then converted to the corresponding carboxylic acid and carbinol. 1-Acetyl-2,2,4,4-tetramethylazetidine-3-carboxylic acid was prepared by the photolysis of 1-acetyl-4-diazo-2,2,5,5 ...
Teng-yueh Chen, Tetutaro Sanjiki, Hiroshi Kato, Masaki Ohta   +3 more
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Azetidine synthesis enabled by photo-induced copper catalysis via [3+1] radical cascade cyclization

The Innovation, 2022
Azetidines are an important type of saturated, highly strained, four-membered, nitrogen-containing heterocyclic compound. These compounds serve as important raw materials, intermediates, and catalysts in organic synthesis, as well as important active ...
Jianye Li, Lu Yu, Yun Peng, Bin Chen, Rui Guo, Xiaodong Ma, Xiao-Song Xue, Yunkui Liu, Guozhu Zhang   +8 more
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1-(2,4-Dinitrophenyl)-3,3-dinitroazetidine

Acta Crystallographica Section E, 2009
In the title compound, C9H7N5O8, the dihedral angle between the mean plane of the azetidine ring and that of the benzene ring is 26.1 (1)°; the planes of the two nitro groups of the azetidine ring are aligned at 88.7 (1)&#
Yu-Lei Guan, Yin Hu, Hai-Xia Ma, Biao Yan, Ji-Rong Song   +4 more
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Synthesis of New Azetidine and Oxetane Amino Acid Derivatives through Aza-Michael Addition of NH-Heterocycles with Methyl 2-(Azetidin- or Oxetan-3-Ylidene)Acetates

Molecules, 2023
In this paper, a simple and efficient synthetic route for the preparation of new heterocyclic amino acid derivatives containing azetidine and oxetane rings was described.
Emilis Gudelis, Sonata Krikštolaitytė, Monika Stančiauskaitė, Urtė Šachlevičiūtė, Aurimas Bieliauskas, Vaida Milišiūnaitė, Rokas Jankauskas, Neringa Kleizienė, Frank A. Sløk, Algirdas Šačkus   +9 more
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1-Benzoyl-3,3-dinitroazetidine

Acta Crystallographica Section E, 2010
In the title gem-dinitroazetidine derivative, C10H9N3O5, the azetidine ring is almost planar, the maximum value of the endocyclic torsion angle being 0.92 (14)°.
Biao Yan, Hai-Xia Ma, Jun-Feng Li, Yu-Lei Guan, Ji-Rong Song   +4 more
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Palladium and Platinum 2,4-cis-amino Azetidine and Related Complexes

Frontiers in Chemistry, 2018
Seven N,N'-palladium(II) chloride complexes, one N,N'-palladium(II) acetate complex of 2,4-cis-azetidines where prepared and analyzed by single crystal XRD.
Akina Yoshizawa, Antonio Feula, Andrew G. Leach, Louise Male, John S. Fossey   +4 more
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